Extreme Eczema with rash 24/7

My family member began itching (all over) FIVE YEARS ago. She has seen countless doctors, tried numerous medications, and has been on and off of steroids for four and a half years. She is MISERABLE, unable to sleep, depressed, and very uncomfortable. In addition, she was diagnosed with respiratory heart failure and her heart is working at a 15-20% capacity. We need help, desperately looking for answers. Please!